2012 BMW 640 review
See also:
Displaying the button assignment
Use a finger to touch the buttons. Do not wear
gloves or use objects.
The key assignment is displayed at the top edge
of the screen.
▷ To display short information: touch the button.
...
Control Display
Notes
► To clean the Control Display, follow the care
instructions.
► Do not place objects close to the Control
Display; otherwise, the Control Display can
be damaged.
Switching off
...
The concept
BMW Advanced Diesel reduces nitrogen oxides
in the diesel exhaust of your vehicle by injecting
the reducing agent diesel exhaust fluid into the
exhaust line. In the catalytic converter, a chemic ...
